diff --git a/neo/idlib/math/Simd.cpp b/neo/idlib/math/Simd.cpp
index d887052..989a450 100644
--- a/neo/idlib/math/Simd.cpp
+++ b/neo/idlib/math/Simd.cpp
@@ -312,7 +312,7 @@ TIME_TYPE time_in_millisec( void ) {
 PrintClocks
 ============
 */
-void PrintClocks( char *string, int dataCount, int clocks, int otherClocks = 0 ) {
+void PrintClocks( const char *string, int dataCount, int clocks, int otherClocks = 0 ) {
 	int i;
 
 	idLib::common->Printf( string );